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Cards In This Set
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Normal sea-level pressure has a value of:
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1013.2 mb or 760 mm of mercury.
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Which of the following statements best describes the friction force?
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It decreases with height above the surface.
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The combined effect of the Coriolis force and the pressure gradient force in the upper atmosphere produces:
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Geostrophic winds.
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Between 20° and 35° north and 20° and 35° south latitudes, you find:
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Arid and semiarid desert regions.
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The east side of subtropical high-pressure cells (off continental west coasts) tend to be:
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Dry, stable, and warm
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Land-sea breezes are caused by:
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Onshore (toward the land) airflows which develop in the afternoon as the land heats faster than the water surfaces.
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Monsoonal winds are:
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Regional wind systems that change direction seasonally.
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Which of the following statements is true?
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Three-fourths of the atmosphere occurs below 10,700 m (35, 105 ft).
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The pressure gradient force:
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Initiates air flow and causes winds.
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If Earth did not rotate air would flow:
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Straight across isobars.
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From which direction do the prevailing winds come in the midlatitudes?
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West.
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In the Northern Hemisphere from which direction do the trade winds come?
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The north-east.
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Which of the following accurately describes air flow in a Northern Hemisphere low pressure cell?
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Converging counterclockwise and ascending.
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The polar jet stream is:
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A river of air flowing up to 300 kmh at elevations between 7000 and 10700 m.
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Rossby waves are
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Related to the movement of the polar front.
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